Yoshinori Teraoka yteraoka

yteraoka / direct.txt

Last active January 24, 2017 02:18

redis 直接と haproxy 経由での redis-benchmark 比較

	$ redis-benchmark -a gDDTEGhRnReCKQEn -p 6479 -h 192.168.140.74
	====== PING_INLINE ======
	100000 requests completed in 2.48 seconds
	50 parallel clients
	3 bytes payload
	keep alive: 1

	41.71% <= 1 milliseconds
	93.96% <= 2 milliseconds
	99.36% <= 3 milliseconds

yteraoka / repmgrd-double-free-or-corruption.txt

Last active September 28, 2016 13:37

	/var/log/repmgr/repmgr-9.5.log

	[2016-09-28 00:43:43] [ERROR] promote command failed. You could check and try it manually.
	* Error in `/usr/pgsql-9.5/bin/repmgrd': double free or corruption (out): 0x00000000008291c0 *
	======= Backtrace: =========
	/lib64/libc.so.6(+0x7cfe1)[0x7fced6cf9fe1]
	/usr/pgsql-9.5/lib/libpq.so.5(+0xa7df)[0x7fced70487df]
	/usr/pgsql-9.5/bin/repmgrd[0x409db3]
	/usr/pgsql-9.5/bin/repmgrd[0x40db68]
	/usr/pgsql-9.5/bin/repmgrd[0x40304a]

yteraoka / mysql-ha.txt

Created June 11, 2017 14:09

MySQL-HA-Cluster-on-CentOS7-using-DRBD

	https://www.lisenet.com/2016/activepassive-mysql-high-availability-pacemaker-cluster-with-drbd-on-centos-7/

	http://clusterlabs.org/doc/it-IT/Pacemaker/1.1/html/Clusters_from_Scratch/ch07.html

	http://elrepo.org/tiki/tiki-index.php

	http://qiita.com/sion_cojp/items/a6a329df0415a843fb12

	https://blog.3ware.co.jp/drbd-users-guide-8.3/s-configure-split-brain-behavior.html

yteraoka / kvm-host-dashboard.json

Created August 20, 2017 12:30

Grafana dashboard for KVM Host

yteraoka / tts.go

Created August 19, 2018 07:46

Google Cloud Text-to-Speech example

	package main

	// http://codegists.com/code/google-cloud-speech-example/

	import (
	"cloud.google.com/go/texttospeech/apiv1"
	"context"
	flags "github.com/jessevdk/go-flags"
	texttospeechpb "google.golang.org/genproto/googleapis/cloud/texttospeech/v1"
	"io/ioutil"

yteraoka / mdns-client.go

Created August 21, 2018 23:26

mDNS client test

	package main

	import (
	"context"
	"flag"
	"log"
	"time"
	"strings"

	"github.com/grandcat/zeroconf"

yteraoka / nannohi.py

Last active November 1, 2019 15:26

Wikipedia から今日が何の日かを抽出

	import random
	import requests
	from bs4 import BeautifulSoup
	from datetime import date

	today = date.today()

	url = 'https://ja.wikipedia.org/wiki/{}月{}日'.format(today.month, today.day)

	events = []

yteraoka / wordpress-with-vitess-error-log.txt

Created February 16, 2020 14:00

WordPress を Vitess で実行して Dashboard を表示した時のエラー

	[Sat Feb 15 16:05:59.792882 2020] [php7:warn] [pid 82] [client 172.17.0.1:57975] PHP Warning: mysqli_query(): Error reading result set's header in /var/www/html/wp-includes/wp-db.php on line 2030, referer: http://192.168.64.11:30803/wp-admin/
	[Sat Feb 15 16:05:59.794799 2020] [php7:notice] [pid 82] [client 172.17.0.1:57975] WordPress \xe3\x83\x87\xe3\x83\xbc\xe3\x82\xbf\xe3\x83\x99\xe3\x83\xbc\xe3\x82\xb9\xe3\x82\xa8\xe3\x83\xa9\xe3\x83\xbc: Commands out of sync; you can't run this command now for query SELECT option_value FROM wp_options WHERE option_name = '_transient_feed_mod_992efac292246ae35bf235a03417a202' LIMIT 1 made by do_action('wp_ajax_dashboard-widgets'), WP_Hook->do_action, WP_Hook->apply_filters, wp_ajax_dashboard_widgets, wp_dashboard_primary, wp_dashboard_cached_rss_widget, wp_dashboard_primary_output, wp_widget_rss_output, fetch_feed, SimplePie->init, WP_Feed_Cache_Transient->save, set_transient, get_option, referer: http://192.168.64.11:30803/wp-admin/
	[Sat Feb 15 16:05:59.795120 2020] [php

yteraoka / ubuntu.md

Last active May 4, 2020 05:17

ubuntu メモ

package のインストール

apt-get install -y iproute2

yteraoka / eks-node-replace.sh

Last active July 15, 2020 00:24

 #!/bin/bash
 info(){
   echo -e "\033[32m$(date +%Y-%m-%dT%H:%M:%S) $*\033[m"
 }
 usage(){
   if [ $# -ge 1 ] ; then
     echo $*
     echo